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	<title>Raspberry Pi Pico SDK: async_context_poll</title>
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<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle"><div class="title">async_context_poll<div class="ingroups"><a class="el" href="group__high__level.html">High Level APIs</a> &raquo; <a class="el" href="group__pico__async__context.html">pico_async_context</a></div></div></div>
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<p><a class="el" href="structasync__context__poll.html">async_context_poll</a> provides an implementation of <a class="el" href="structasync__context.html">async_context</a> that is intended for use with a simple polling loop on one core. It is not thread safe.  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga4ee772d4efa94ec03e2b2ae2f775837d"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__async__context__poll.html#ga4ee772d4efa94ec03e2b2ae2f775837d">async_context_poll_init_with_defaults</a> (<a class="el" href="structasync__context__poll.html">async_context_poll_t</a> *self)</td></tr>
<tr class="memdesc:ga4ee772d4efa94ec03e2b2ae2f775837d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialize an <a class="el" href="structasync__context__poll.html">async_context_poll</a> instance with default values.  <a href="group__async__context__poll.html#ga4ee772d4efa94ec03e2b2ae2f775837d">More...</a><br /></td></tr>
<tr class="separator:ga4ee772d4efa94ec03e2b2ae2f775837d"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p ><a class="el" href="structasync__context__poll.html">async_context_poll</a> provides an implementation of <a class="el" href="structasync__context.html">async_context</a> that is intended for use with a simple polling loop on one core. It is not thread safe. </p>
<p >The <a class="el" href="group__pico__async__context.html#gafdb322c3f1043265624988215d3a8df9">async_context_poll()</a> method must be called periodically to handle asynchronous work that may now be pending. <a class="el" href="group__pico__async__context.html#ga6207f562c0b69c7a75cd81a783eb1055">async_context_wait_for_work_until()</a> may be used to block a polling loop until there is work to do, and prevent tight spinning. </p>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga4ee772d4efa94ec03e2b2ae2f775837d" name="ga4ee772d4efa94ec03e2b2ae2f775837d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga4ee772d4efa94ec03e2b2ae2f775837d">&#9670;&nbsp;</a></span>async_context_poll_init_with_defaults()</h2>

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          <td class="memname">bool async_context_poll_init_with_defaults </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structasync__context__poll.html">async_context_poll_t</a> *&#160;</td>
          <td class="paramname"><em>self</em></td><td>)</td>
          <td></td>
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<p>Initialize an <a class="el" href="structasync__context__poll.html">async_context_poll</a> instance with default values. </p>
<p >If this method succeeds (returns true), then the <a class="el" href="structasync__context.html" title="Base structure type of all async_contexts. For details about its use, see pico_async_context.">async_context</a> is available for use and can be de-initialized by calling <a class="el" href="group__pico__async__context.html#ga66d09e106e04d70971d4fb6f09d5d949" title="End async_context processing, and free any resources.">async_context_deinit()</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">self</td><td>a pointer to <a class="el" href="structasync__context__poll.html">async_context_poll</a> structure to initialize </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if initialization is successful, false otherwise </dd></dl>

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